Yanlin Qin, Xiaoping Wu. Cryptanalysis and Improvement of Two Blind Proxy Signature Schemes. In International Conference on Computer Science and Software Engineering, CSSE 2008, Volume 3: Grid Computing / Distributed and Parallel Computing / Information Security, December 12-14, 2008, Wuhan, China. pages 762-765, IEEE Computer Society, 2008. [doi]
Abstract is missing.